Finding the Fourth Proportional to 1,060.65, 1,463.69 and 588.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.65 : 1,463.69 = 588.55 : x
2. Step 2: Convert to fraction form
   1,060.65/1,463.69 = 588.55/x
3. Step 3: Cross multiply
   1,060.65x = 1,463.69 × 588.55
4. Step 4: Simplify right side
   1,060.65x = 861,453.38
5. Step 5: Solve for x
   x = 861,453.38/1,060.65
6. Step 6: Final answer
   x = 812.20